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प्रश्न
The focal length f is related to the radius of curvature r of the spherical convex mirror by ______.
पर्याय
f = r
f = `-1/2"r"`
f = `+1/2"r"`
f = − r
MCQ
उत्तर
The focal length f is related to the radius of curvature r of the spherical convex mirror by `bb("f" = +1/2"r")`.
Explanation:
For spherical convex mirror
f = + `"r"/2`
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